Search this exact string on Google (replace A1 with your version): "DSL-124_A1" firmware download site:ftp.dlinklink.com
Flashing the wrong file = a $50 paperweight. Double-check that hardware version before clicking "Upgrade." D-link Dsl-124 Firmware Update Download --BEST
Updating the DSL-124 is not a “click OK” event. Because the device has as little as 8 MB of flash ROM and 64 MB of RAM, the update process is fragile. Search this exact string on Google (replace A1
To update the firmware of your D-Link DSL-124 Wireless N300 ADSL2+ Modem Router D-link Dsl-124 Firmware Update Download --BEST